What does 病気 mean?
病気 is a Japanese noun meaning “illness; sickness” in English. It can also be translated as “bad habit, crazy” depending on context. It is written as 病気 in kanji, びょうき in hiragana, and byouki in romaji. This word is part of JLPT N5 vocabulary.
Example sentence
あなたの病気がよくなることを願っています。
I hope you'll get well soon.